CA2504726C - A process for suppressing the foaming of an aqueous system - Google Patents

A process for suppressing the foaming of an aqueous system Download PDF

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Publication number
CA2504726C
CA2504726C CA2504726A CA2504726A CA2504726C CA 2504726 C CA2504726 C CA 2504726C CA 2504726 A CA2504726 A CA 2504726A CA 2504726 A CA2504726 A CA 2504726A CA 2504726 C CA2504726 C CA 2504726C
Authority
CA
Canada
Prior art keywords
defoamer
oxide
catalyst
molecular weight
hydroxyl equivalent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA2504726A
Other languages
English (en)
French (fr)
Other versions
CA2504726A1 (en
Inventor
Edward P. Browne
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Covestro LLC
Original Assignee
Bayer MaterialScience LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer MaterialScience LLC filed Critical Bayer MaterialScience LLC
Publication of CA2504726A1 publication Critical patent/CA2504726A1/en
Application granted granted Critical
Publication of CA2504726C publication Critical patent/CA2504726C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/02—Foam dispersion or prevention
    • B01D19/04—Foam dispersion or prevention by addition of chemical substances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/02—Foam dispersion or prevention
    • B01D19/04—Foam dispersion or prevention by addition of chemical substances
    • B01D19/0404—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L19/00—Products from fruits or vegetables; Preparation or treatment thereof
    • A23L19/10—Products from fruits or vegetables; Preparation or treatment thereof of tuberous or like starch containing root crops
    • A23L19/12—Products from fruits or vegetables; Preparation or treatment thereof of tuberous or like starch containing root crops of potatoes
    • A23L19/18—Roasted or fried products, e.g. snacks or chips

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Food Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nutrition Science (AREA)
  • Polymers & Plastics (AREA)
  • Degasification And Air Bubble Elimination (AREA)
  • Polyethers (AREA)
  • Detergent Compositions (AREA)
  • Preparation Of Fruits And Vegetables (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Jellies, Jams, And Syrups (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
CA2504726A 2002-11-07 2003-11-03 A process for suppressing the foaming of an aqueous system Expired - Fee Related CA2504726C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/289,579 US7001634B2 (en) 2002-11-07 2002-11-07 Process for suppressing the foaming of an aqueous system
US10/289,579 2002-11-07
PCT/US2003/035224 WO2004043567A1 (en) 2002-11-07 2003-11-03 A process for suppressing the foaming of an aqueous system

Publications (2)

Publication Number Publication Date
CA2504726A1 CA2504726A1 (en) 2004-05-27
CA2504726C true CA2504726C (en) 2011-11-01

Family

ID=32228888

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2504726A Expired - Fee Related CA2504726C (en) 2002-11-07 2003-11-03 A process for suppressing the foaming of an aqueous system

Country Status (13)

Country Link
US (1) US7001634B2 (pt)
EP (1) EP1572316B1 (pt)
JP (1) JP2006505405A (pt)
KR (1) KR101073772B1 (pt)
CN (1) CN100396353C (pt)
AU (1) AU2003291280A1 (pt)
BR (1) BR0316066B1 (pt)
CA (1) CA2504726C (pt)
HK (1) HK1086517A1 (pt)
MX (1) MXPA05004844A (pt)
PL (1) PL374908A1 (pt)
RU (1) RU2336116C2 (pt)
WO (1) WO2004043567A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7763717B1 (en) * 2005-03-08 2010-07-27 West Virginia University Research Corp. of West Virginia University Continuous protein and lipid recovery from food animal processing byproducts
US20070167336A1 (en) * 2006-01-13 2007-07-19 Bayer Materialscience Llc Water-miscible metal working fluids with reduced aerosol inhalation toxicity
US20070167335A1 (en) * 2006-01-13 2007-07-19 Bayer Materialscience Llc Water-miscible metal working fluids with reduced aerosol inhalation toxicity
WO2009124370A1 (en) * 2008-04-11 2009-10-15 Dow Brasil Sudeste Industrial Ltda . Processes for extraction of sugar from sugar-bearing plant material
CN107338133A (zh) * 2012-02-16 2017-11-10 道康宁公司 使用硅氧烷蜡的颗粒状漂洗周期泡沫控制剂
EP3226995B1 (en) * 2014-12-02 2022-09-14 Dow Global Technologies LLC Solid adjuvant defoamer
CN106964178B (zh) * 2017-04-18 2019-05-03 云南佳贝节能科技有限公司 一种磷酸加工专用消泡剂及其制备方法
WO2019177727A1 (en) * 2018-03-16 2019-09-19 Dow Global Technologies Llc Foam control
EP3781636B1 (de) * 2018-04-20 2022-06-08 Basf Se Additivzusammensetzung für wässrige dispersionen hydrophober polymere
CN113384921B (zh) * 2021-07-22 2023-06-09 海宁美浪有机硅科技有限公司 一种聚醚消泡剂及其制备方法
CN117298664B (zh) * 2023-11-27 2024-01-23 山东尚正新材料科技股份有限公司 聚醚多元醇酯消泡剂及其制备方法

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2792308A (en) * 1953-04-09 1957-05-14 Monsanto Chemicals Alkylene oxide condensates and use thereof as defoaming agents
US3278457A (en) 1963-02-14 1966-10-11 Gen Tire & Rubber Co Method of making a polyether using a double metal cyanide complex compound
US3829505A (en) 1970-02-24 1974-08-13 Gen Tire & Rubber Co Polyethers and method for making the same
US3941849A (en) 1972-07-07 1976-03-02 The General Tire & Rubber Company Polyethers and method for making the same
US3890238A (en) * 1972-12-21 1975-06-17 Basf Wyandotte Corp Water solubility of polyoxyalkylene polymers
US4060501A (en) * 1976-08-30 1977-11-29 Texaco Development Corporation Novolak derivatives as defoamers
US4077894A (en) * 1976-12-27 1978-03-07 Basf Wyandotte Corporation Glycol antifreeze mixtures
CH637304A5 (de) * 1978-11-03 1983-07-29 Ciba Geigy Ag Schaumdaempfungsmittel fuer waessrige systeme.
US4287078A (en) * 1980-01-28 1981-09-01 Basf Wyandotte Corporation Surfactants derived from the reaction product of polyoxyalkylene polyols and polyglycidyl ethers and glycol-based antifreeze using same
AU552988B2 (en) 1982-03-31 1986-06-26 Shell Internationale Research Maatschappij B.V. Polymerizing epoxides and catalyst suspensions for this
DE3315951A1 (de) * 1983-05-02 1984-11-08 Henkel KGaA, 4000 Düsseldorf Verwendung von polyglykolethern als schaumdrueckende zusaetze in schaumarmen reinigungsmitteln
DE3315952A1 (de) * 1983-05-02 1984-11-08 Henkel KGaA, 4000 Düsseldorf Verwendung von polyglykolethern als schaumdrueckende zusaetze in schaumarmen reinigungsmitteln
US4510067A (en) * 1983-06-27 1985-04-09 Basf Wyandotte Corporation Foam control composition containing high foaming nonionic surfactant and a polyoxyalkylene compound
DE3531212A1 (de) * 1985-08-31 1987-03-05 Henkel Kgaa Als entschaeumer verwendbare alkylenoxid-blockpolymere
US4836951A (en) * 1986-02-19 1989-06-06 Union Carbide Corporation Random polyether foam control agents
ES2026494T3 (es) * 1986-07-24 1992-05-01 Henkel Kommanditgesellschaft Auf Aktien Mezclas de tensioactivos pobres en espuma y/o reductoras de espuma y su empleo.
DE3744593A1 (de) * 1987-12-31 1989-07-13 Basf Ag Entschaeumer auf basis von oel-in-wasser-emulsionen
DE3800492A1 (de) * 1988-01-11 1989-07-20 Henkel Kgaa Schaumbekaempfungsmittel fuer die herstellung und verarbeitung von nahrungsmitteln bzw. fuer fermentationsprozesse
US5045232A (en) * 1989-07-12 1991-09-03 Rhone-Poulenc Specialty Chemicals, L.P. Low viscosity defoaming/antiforming formulations
DE4041754A1 (de) * 1990-12-24 1992-06-25 Henkel Kgaa Verwendung von speziellen kohlensaeureestern als schaumbekaempfungsmittel
US5158922A (en) 1992-02-04 1992-10-27 Arco Chemical Technology, L.P. Process for preparing metal cyanide complex catalyst
DE4308140A1 (de) * 1993-03-15 1994-09-22 Henkel Kgaa Schaumbekämpfungsmittel für die Nahrungsmittel-, Lack- und Papierindustrie
US5470813A (en) 1993-11-23 1995-11-28 Arco Chemical Technology, L.P. Double metal cyanide complex catalysts
US5562862A (en) 1994-04-06 1996-10-08 Betz Laboratories, Inc. Polybutene-based foam control composition for aqueous systems
US5482908A (en) 1994-09-08 1996-01-09 Arco Chemical Technology, L.P. Highly active double metal cyanide catalysts
DE19503062A1 (de) 1995-02-01 1996-08-08 Henkel Kgaa Verwendung von Alkoxylierungsprodukten epoxydierter Fettstoffe als Entschäumer
US5627122A (en) 1995-07-24 1997-05-06 Arco Chemical Technology, L.P. Highly active double metal cyanide complex catalysts
US5639705A (en) 1996-01-19 1997-06-17 Arco Chemical Technology, L.P. Double metal cyanide catalysts and methods for making them
US5844070A (en) 1997-05-16 1998-12-01 Arco Chemical Technology, L.P. Process for rapid activation of double metal cyanide catalysts
US6387962B1 (en) * 1997-06-10 2002-05-14 Cognis Corporation Defoamers for aqueous systems
US5977048A (en) 1997-07-29 1999-11-02 Basf Corporation Aqueous based solvent free cleaning degreaser compositions containing alcohol alkoxylates, polyoxyalkylene block copolymers, and fatty alcohols having oxyethylate moieties
AR019107A1 (es) 1998-04-27 2001-12-26 Dow Global Technologies Inc Polioles de alto peso molecular, proceso para su preparacion y uso de los mismos.
WO2000026321A1 (en) 1998-10-29 2000-05-11 Sun Drilling Products, Inc. Antifoaming agents for drilling fluids used in the drilling of subterranean wells
DE10017197A1 (de) * 2000-04-07 2001-10-11 Basf Ag Alkoholalkoxylate als schaumarme oder schaumdämpfende Tenside
US6388048B1 (en) * 2000-05-19 2002-05-14 The Dow Chemical Company Complexing agent-modified trimetal cyanide catalyst
US6696383B1 (en) * 2002-09-20 2004-02-24 Bayer Polymers Llc Double-metal cyanide catalysts which can be used to prepare polyols and the processes related thereto

Also Published As

Publication number Publication date
BR0316066A (pt) 2005-09-27
BR0316066B1 (pt) 2012-06-12
EP1572316A1 (en) 2005-09-14
KR20050084962A (ko) 2005-08-29
WO2004043567A1 (en) 2004-05-27
US20040091592A1 (en) 2004-05-13
CN1708337A (zh) 2005-12-14
KR101073772B1 (ko) 2011-10-13
CA2504726A1 (en) 2004-05-27
JP2006505405A (ja) 2006-02-16
US7001634B2 (en) 2006-02-21
CN100396353C (zh) 2008-06-25
RU2005117389A (ru) 2006-01-20
MXPA05004844A (es) 2005-07-22
HK1086517A1 (en) 2006-09-22
RU2336116C2 (ru) 2008-10-20
EP1572316B1 (en) 2013-04-10
PL374908A1 (en) 2005-11-14
AU2003291280A1 (en) 2004-06-03

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Effective date: 20161103